Hasnain Shaikh

Associate Software Engineer at Big Oh tech (2025-09 – Present)

Developed scalable mobile and web applications using Flutter, GraphQL, and BLoc state management

Developed the IGX (Indian Gas Exchange) mobile application using Flutter and GraphQL, BLoc as state management, implementing scalable API integrations and improving data handling efficiency.
Built features for the Chatter e-commerce application, a Canadian company with $300M+ annual revenue, using Flutter and GraphQL to support real-time communication and scalable product interactions.
Contributed to the development of Botshot and a Hotel Management application, focusing on feature implementation, UI optimization, and performance improvements.

Software Developer Intern at Internshala (2024-10 – 2025-04)

Developed and maintained backend services for the Internshala platform using Node.js and Express.js

Contributed to the development and maintenance of backend services for the Internshala platform using Node.js and Express.js.
Designed and optimized RESTful APIs, improving data flow and reducing average response time by 20%.
Collaborated on core modules like internship application logic, user onboarding, and chat backend, resulting in a 15% increase in active users.
Participated in Agile sprints and code reviews, ensuring timely delivery and maintaining high code quality with minimal production bugs.

Software Developer Intern at Skyo india (2024-10 – 2025-04)

Developed an EdTech app in Flutter with face recognition and class scheduling features

Developed an EdTech app in Flutter with face recognition and class scheduling, improving tracking accuracy by 40%.
Integrated Google Sign-In and email OTP, reducing login issues by 30%.
Applied Clean Architecture to enhance performance and reduce load time by 25%.

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